Clean Code
Write readable, well-structured code your teammates will thank you for.
Lessons
Short, focused lessons with practical tasks, built around real-world code.
Best Practices
Learn the patterns professional developers use every day.
Real World Cases
Every module ends with a project based on a real client brief.
Courses
What You Will Learn
Six modules, each with short lessons and practical tasks.
Introduction
4 lessons · 2 hours Set up your tools, meet the console and write your first lines of modern JavaScript.
The Basics
12 lessons · 20 hours · 4 tasks Variables, types, operators and functions: the foundations every developer needs.
Working With Data
28 lessons · 46 hours · 8 tasks Arrays, objects, JSON and fetch: load, transform and display real data.
Validating
16 lessons · 28 hours · 6 tasks Validate forms and user input, handle errors and write defensive code.
Loops
10 lessons · 18 hours · 12 tasks Iterate with for, while and array methods, and know when to use each.
Testing
14 lessons · 21 hours · 18 tasks Write unit tests, mock dependencies and ship code with confidence.